OTC's UA22 22-Ton Under Axle Jack features air-assist operation and a self-retracting, spring return with a long, 47-1/4 in. T-handle that lets you easily position the jack under vehicles with long overhangs One pull of the handle activates the self-retracting, 4-1/2 in. stroke, 22-ton capacity ram, without having to crawl underneath the vehicle, while large rubber-tired steel wheels ensure maneuverability and movement on most types of terrain 3 inch diameter, round saddle, with center notch and 3 saddle attachments - 3/4 in. for 17-3/4 in. lift, 1-15/16 in. for 18-15/16 in. lift, and 3-7/8 in. for 20-2/3 in. lift, allowing height adjustments based on vehicle being lifted Welded hydraulic pump and cylinder construction provides increased strength and leak prevention; Chrome plated ram offers additional rust resistance; Wiper seals protect hydraulic system from contaminants Specifications: 22-ton capacity, 4-1/2 in. cylinder stroke, 4-1/4 in. extended screw length, 90-145 PSI, 8.27 in. to 20-2/3 in lifting range using longest saddle, 69.87 in. reach, 8.27 in. frame height, 11.73 in. x 22.63 in. footprint, 100 lb. weight